2020-2026 Duramax 6.6 Stainless Steel 4" Full Exhaust featured GMC made a production change

GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P

a single stainless reinforced silicone hose is included to connect the intercooler to the supplied PPD billet hose adapter assembly

that are known to explode or burst due to the heat and boost levels of your 6

Does NOT fit Regular Cab trucks without modification

fits ALL other cab/bed configurations

2020-2026 Duramax 6.6 Stainless Steel 4" Full Exhaust featured GMC made a production changeThis is a 4" Downpipe back single exhaust system that compares to the 20141NM or SS20141NM system by FLO PRO and similar systems by MBRP and Jamo for the 2020 2026 6. 6L, 2500 3500 W OEM 4 BOLT FLANGE EC CC SB LB DUALLY, PICKUP ONLY. This kit allows you to remove the restrictive OE exhaust system, it will open up your exhaust system and lower your EGTs. This exhaust system does not include a muffler and is intended for race trucks only. Comes with all